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Re-evaluation Note: Lawn and Turf Uses of (2,4-Dichlorophenoxy)acetic Acid [2,4-D] Interim Measures

16 August 2006
ISBN: 0-662-43803-5 (0-662-43804-3)
Cat. No.: H113-5/2006-11E (H113-5/2006-11E-PDF)
(REV2006-11)

To obtain an electronic copy of the document, Re-evaluation Note: Lawn and Turf Uses of (2,4-Dichlorophenoxy)acetic Acid [2,4-D] Interim Measures, please contact publications@hc-sc.gc.ca.

Should you require further information please contact the Pest Management Information Service.

Summary

The purpose of this Re-evaluation Note is to notify registrants, pesticide regulatory officials and the Canadian public that Health Canada's Pest Management Regulatory Agency (PMRA) is implementing interim measures for products containing (2,4-dichlorophenoxy)acetic acid, commonly known as 2,4-D, used on lawns and turf.

These interim measures are consistent with Proposed Acceptability for Continuing Registration (PACR) document PACR2005-01, Re-evaluation of the Lawn and Turf Uses of (2,4-Dichlorophenoxy)acetic Acid [2,4-D], published 21 February 2005. Implementation of these measures at this time will ensure label changes are implemented, 2,4-D products containing diethanolamine (DEA) are phased out and additional required data are requested within normal time frames for PMRA reviews.

In the next phase of the re-evaluation of 2,4-D, the PMRA will assess the non-turf uses of 2,4-D which include agricultural, forestry, aquatic and industrial-site uses. This review will be completed and released for public comment in the near future.

In the last phase of the re-evaluation of 2,4-D, the PMRA will reconsider the comments regarding the turf review, consider comments received in response to the non-turf review and revise the assessments, as required. The PMRA will reserve its final decision regarding continued acceptability of lawn and turf uses until a final decision on the remaining uses of 2,4-D is developed.

This Re-evaluation Note includes the comments made to the PMRA in response to PACR2005-01.